Home / 10,285.52-15,428.28-2,494.32

Finding the Fourth Proportional to 10,285.52, 15,428.28 and 2,494.32

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Solution

The fourth proportional to 10,285.52, 15,428.28 and 2,494.32 is: 3,741.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.52 : 15,428.28 = 2,494.32 : x
  2. Step 2: Convert to fraction form
    10,285.52/15,428.28 = 2,494.32/x
  3. Step 3: Cross multiply
    10,285.52x = 15,428.28 × 2,494.32
  4. Step 4: Simplify right side
    10,285.52x = 38,483,067.37
  5. Step 5: Solve for x
    x = 38,483,067.37/10,285.52
  6. Step 6: Final answer
    x = 3,741.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.